Finding the Fourth Proportional to 769,850.96, 1,062,351.30 and 425,666.96
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Solution
The fourth proportional to 769,850.96, 1,062,351.30 and 425,666.96 is: 587,396.62
Step by Step Solution
- Step 1: Write the proportion equation
769,850.96 : 1,062,351.30 = 425,666.96 : x - Step 2: Convert to fraction form
769,850.96/1,062,351.30 = 425,666.96/x - Step 3: Cross multiply
769,850.96x = 1,062,351.30 × 425,666.96 - Step 4: Simplify right side
769,850.96x = 452,207,848,323.05 - Step 5: Solve for x
x = 452,207,848,323.05/769,850.96 - Step 6: Final answer
x = 587,396.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.